"""
文件管理API
"""

from typing import List, Optional
from fastapi import APIRouter, Depends, Query, UploadFile, File

router = APIRouter()


@router.get("/")
async def get_files(
    page: int = Query(1, ge=1),
    size: int = Query(10, ge=1, le=100),
    search: Optional[str] = Query(None)
):
    """获取文件列表"""
    return {
        "items": [],
        "total": 0,
        "page": page,
        "size": size,
        "pages": 0
    }


@router.get("/{file_id}")
async def get_file(file_id: int):
    """获取文件详情"""
    return {
        "id": file_id,
        "name": f"文件 {file_id}",
        "size": 1024,
        "type": "text/plain",
        "created_at": "2025-10-11T13:00:00Z"
    }


@router.post("/upload")
async def upload_file(file: UploadFile = File(...)):
    """上传文件"""
    return {
        "id": 1,
        "name": file.filename,
        "size": 1024,
        "status": "uploaded",
        "message": "文件上传成功"
    }


@router.get("/{file_id}/download")
async def download_file(file_id: int):
    """下载文件"""
    return {"message": f"下载文件 {file_id}"}


@router.delete("/{file_id}")
async def delete_file(file_id: int):
    """删除文件"""
    return {"message": f"文件 {file_id} 删除成功"}


@router.post("/batch-delete")
async def batch_delete_files(file_ids: List[int]):
    """批量删除文件"""
    return {"message": f"批量删除 {len(file_ids)} 个文件成功"}


@router.get("/{file_id}/preview")
async def preview_file(file_id: int):
    """预览文件"""
    return {
        "file_id": file_id,
        "content": "文件内容预览...",
        "type": "text"
    }